6446655323 has 4 divisors (see below), whose sum is σ = 6825870360. Its totient is φ = 6067440288.

The previous prime is 6446655301. The next prime is 6446655329. The reversal of 6446655323 is 3235566446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6446655323 - 2¹⁸ = 6446393179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6446655329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189607493 + ... + 189607526.

It is an arithmetic number, because the mean of its divisors is an integer number (1706467590).

Almost surely, 2^6446655323 is an apocalyptic number.

6446655323 is a deficient number, since it is larger than the sum of its proper divisors (379215037).

6446655323 is a wasteful number, since it uses less digits than its factorization.

6446655323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379215036.

The product of its digits is 1555200, while the sum is 44.

The square root of 6446655323 is about 80291.0662714103. The cubic root of 6446655323 is about 1861.1361735812.

The spelling of 6446655323 in words is "six billion, four hundred forty-six million, six hundred fifty-five thousand, three hundred twenty-three".